put your foot in your mouth
US /pʊt jʊər fʊt ɪn jʊər maʊθ/
UK /pʊt jʊər fʊt ɪn jʊər maʊθ/

1.
說錯話, 失言
to say something accidentally that embarrasses or offends someone
:
•
I really put my foot in my mouth when I asked her if she was pregnant.
我問她是否懷孕時,真是說錯了話。
•
He tends to put his foot in his mouth at family gatherings.
他總是在家庭聚會上說錯話。